Step 3: check the control panel for error messages, Step 4: check the paper, Step 5: check the software – HP LaserJet Pro M521 Multifunction Printer series User Manual
Step 3: check the control panel for error messages, Step 4: check the paper, Step 5: check the software | Step 6: test print functionality | HP LaserJet Pro M521 Multifunction Printer series User Manual | Page 173 / 256